JELL-O Half Marathon

Le Roy, NY, USA · October 3, 2026
partly-cloudy-day50°·64° high·Light·Dry
9
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Race Day Weather

partly-cloudy-day
50°at start
64° high
Light
Dry

Cool conditions, light wind

Runners will face a temperature rising from 49°F to 64°F, with light winds from the SW at 7 mph. Humidity will be a factor at 76%, suggesting a need for hydration. Given the conditions, pacing should be conservative early on to maintain energy for the later stages of the race.

Race day forecast available in 22 days
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Pace Calculator

Distance: 13.1mi
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Race Info

The JELL-O Half Marathon & 7K takes place in Le Roy, New York, the town where the Jell-O brand was invented in 1897. The course runs on paved country roads with minimal elevation change and finishes at the Jell-O Brand Museum's Jell-O Barn. First held in 2022, the race benefits the LeRoy Backpack Club and includes a post-race party with food and music.

FAQ

When is the 2026 JELL-O Half Marathon?

The 2026 JELL-O Half Marathon will be held on Saturday October 3, 2026.

What will the weather be like for the 2026 JELL-O Half Marathon?

The forecast calls for a high of 66°F and a low of 49°F with a 12% chance of rain.

What is the elevation profile of the JELL-O Half Marathon?

The JELL-O Half Marathon has 487ft of total elevation gain. View the interactive course map above for a detailed elevation profile.

Historical Weather

Based on 4 years of data
Avg Temp
63°F
L:51° H:63°
RunScore
7
Conditions
Rain Freq
25%
1 of 4 yrs
Wind8mph
Dew43°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
59°/83°-
8
2024
partly-cloudy-day
56°/67°-
9
2023
cloudy
48°/50°Light
8
2022
partly-cloudy-day
41°/51°-
7